Mandurah police and Crime Stoppers have called on the public to help identify a woman and man who may be able to assist them with their enquiries.
Police have released stills from CCTV of a woman and man on Tuesday morning.
If you know either person please contact the Mandurah Police Station on 9581 0222 using the reference number 190118 1243 88849 for the woman and 150118 1440 88796 for the man.
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If you have any information about this offence make a report online at crimestopperswa.com.au or call Crime Stoppers on 1800 333 000.
Calls are strictly confidential, and rewards are offered.
About 140 people contact Crime Stoppers every day to anonymously report crimes and suspicious activity.
There are more than 1990 open cases listed by Crime Stoppers.
Visit www.crimestopperswa.com.au/open-cases/ to view the more.